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1422672 = 243107277
BaseRepresentation
bin101011011010101010000
32200021112120
411123111100
5331011142
650254240
715043506
oct5332520
92607476
101422672
11891969
12587380
133aa724
14290676
151d17ec
hex15b550

1422672 has 40 divisors (see below), whose sum is σ = 3722976. Its totient is φ = 468096.

The previous prime is 1422671. The next prime is 1422677. The reversal of 1422672 is 2762241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998 + ... + 5274.

21422672 is an apocalyptic number.

1422672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861488).

1422672 is an abundant number, since it is smaller than the sum of its proper divisors (2300304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422672 is a wasteful number, since it uses less digits than its factorization.

1422672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 1422672 is about 1192.7581481591. The cubic root of 1422672 is about 112.4695423721.

The spelling of 1422672 in words is "one million, four hundred twenty-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 107 214 277 321 428 554 642 831 856 1108 1284 1662 1712 2216 2568 3324 4432 5136 6648 13296 29639 59278 88917 118556 177834 237112 355668 474224 711336 1422672